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/*
* Copyright 2019-2021 Diligent Graphics LLC
* Copyright 2015-2019 Egor Yusov
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* In no event and under no legal theory, whether in tort (including negligence),
* contract, or otherwise, unless required by applicable law (such as deliberate
* and grossly negligent acts) or agreed to in writing, shall any Contributor be
* liable for any damages, including any direct, indirect, special, incidental,
* or consequential damages of any character arising as a result of this License or
* out of the use or inability to use the software (including but not limited to damages
* for loss of goodwill, work stoppage, computer failure or malfunction, or any and
* all other commercial damages or losses), even if such Contributor has been advised
* of the possibility of such damages.
*/
// The source code in this file is derived from ColorBuffer.h and GraphicsCore.h developed by Minigraph
// Original source files header:
//
// Copyright (c) Microsoft. All rights reserved.
// This code is licensed under the MIT License (MIT).
// THIS CODE IS PROVIDED *AS IS* WITHOUT WARRANTY OF
// ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING ANY
// IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR
// PURPOSE, MERCHANTABILITY, OR NON-INFRINGEMENT.
//
// Developed by Minigraph
//
// Author: James Stanard
//
#pragma once
/// \file
/// Implementation of mipmap generation routines
namespace Diligent
{
class GenerateMipsHelper
{
public:
GenerateMipsHelper(ID3D12Device* pd3d12Device);
void GenerateMips(ID3D12Device* pd3d12Device, class TextureViewD3D12Impl* pTexView, class CommandContext& Ctx) const;
private:
CComPtr<ID3D12RootSignature> m_pGenerateMipsRS;
CComPtr<ID3D12PipelineState> m_pGenerateMipsLinearPSO[4];
CComPtr<ID3D12PipelineState> m_pGenerateMipsGammaPSO[4];
};
} // namespace Diligent
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